A small, lone Kappa miraculously survives over 200 years into modern day Japan, when he is found by young Koichi. Coo, who is secretly adopted by Koichi's family, searches with his new human friend for unpopulated places in hopes of finding any remaining of his kind.
A young boy with a troubled home life becomes "chosen," and he stumbles into the middle of a great war of yōkai (a class of mythological creatures), where he meets a group of friendly yōkai who become his companions through his journey. Now he must fight to protect his friends and free the world of the yōkai from oppression. The yōkai originate in Japanese folklore and range from the cute and silly to the disturbing.
Asuka, a woman in her thirties, works in a lakeside fish factory. She’s about to be married to her boss, Taki. But one day, she encounters a kappa – a water sprite found in Japanese folklore – and learns that the creature is in fact the reborn form of Aoki, an old crush who’d drowned to death when they were 17.
When a Babylonian vampire comes to old Japan, an army of Japanese demons and ghosts gather and battle him.
When military experiments go haywire and trigger an atomic bomb, the consequences are of epic proportions. A monster arrives in the midst of the nuclear fallout, and Japan's defenses are helpless against it. Mankind's only savior is an irradiated water goblin from Japanese folklore called the "Death Kappa." The two rival monsters must go head-to-head in the ultimate battle between good and evil!
A new posted video was delivered to Ichikawa. A couple fishing in a pond captured a strange creature that emerged from the surface of the water.
A kappa village is devastated by a large storm during festival preparations. With no fish in the river, the village is weakened. Kawatarou and his girlfriend head the mountains to find anything to bring back.
As famous photographer, Yuta Suzumori's (Tatsuya Fuji) health is worsening he tells a childhood story of when he saw a kappa in his hometown village of Kitagawa.
Adapted from Shigeru Mizuki's classic manga from the 1960s, 'Kappa no Sanpei', the anime tells a story of a young boy, Sanpei, who lives in the beautiful countryside with his grandfather. One day, he is caught in the muddy streams of the river and wakes up in the land of goblins. Sanpei makes friends with a goblin named Gartaro, who bears striking resemblance to himself. Thus, the adventure begins.
From this popular series that counts 37 works, the 6th compilation of episodes carefully selected by the staff.
Spin-off short story of the "Senritsu Kaiki File Kowasugi!" series, which is set after FILE-03.